Car-wheel lock



May 18,'"1'926, H M ROBERTS-ON 1,5a4,994`v GAR WHEEL Loox Filed June 22,1925 2 Sheets-Shag?. 1

O /UVyJ /7 /7 /f Q //-P 1g f6' /J s E f m il /3 !Iy Il ,l il j/)mz/ soyY HENRY M. ROBERTSON, OF ST. PAUL, MINNESOTA.

CAR-WHEEL LOCK.

Application filed. .Tune 22, 1925. Serial No. 38,616.

My present invention has forits object to provide an extremely simple'and highly efficient car wheel lock for use in holding' one of thewheels of a car truck on a track rail while jackingl up the journal boXfor said wheel to permit the. removal of its bearing, commonly called abrass, and the substitution of a new one therefor.

To the above end, generally stated, the invention consists of the novelydevices and kcombinations of devices hereinafter described and definedin the claims.

As is well known, when jacking up a journal boX for the purpose ofremoving the bearing for the journal of a car wheel and substituting anew one therefor, said wheel will Voften lift from the track rail, withthe journal box as itis raised by a jack, due to the weight on thejournal of the wheel on the opposite side of the car truck and therebyprevent the removal of said` bearing and the substitution of a new onetherefor. `To prevent this lifting of va car wheel from a track railvarious different devices used in connection with lifting jacks havebeen einployed. These devices, commonly called wheel dogs, have eitherbeen mounted directly on the bodies of jacks, hence requiring specialforms of jacks, or they have been mounted on separate bases'forr jacks.Such wheel dogs must engage a car wheel at a definite place, and henceit `is often difficult to find a suitable support such asa railway tieon ywhich'to place the jack or a base therefor. j

By the use of my improved car wheel lock any suitable form of liftingjack may be used forv the reason that said lock is entirely independentof a jack. As it often happens a car wheel will not lift but will remainon the track rail while jacking up its journal box and hence it is notnecessary to go to the trouble and take the time to apply means forholding the same. If. however, it is found necessary to hold a wheel,after a jack has been applied under the journal box therefore, myimproved car wheel lock can then be applied without removing or changingthe position of the jack.

In the accompanying drawings, which illustrate the invention, likecharacters indicate like parts throughout the several views.

Referring to the drawings:

Fig. 1 is a fragmentary plan View of a car truck and track rail with oneof the wheels improved wheel lock;

Fig. 2 is a side elevation ofthe parts' shown in F ig'. 1; F ig. 3 is aview partly in elevation and partly in 'vertical section, taken on theline 3 3 of Fig. 2 and further showing a lifting jack applied under thejournal box;

F 1g. 41 is a view of the improved wheel lock removed from the trackrail and car wheel, on an enlarged scale, with some parts broken away;and f Fig. 5 is a detail view showing a. modified form of a track railgrapple.

.The numeral 6 indicates a lcar truck, as anentirety, with the exceptionof one of its wheels 7 and the axle 8, journal boX 9 and brake shoe 10for said wheel.l The wheel 7 .is supported on a track rail 11 spiked toties 12. A lifting jack 13 is applied under the journal boX 9 andsupported on one of the ties 12 in position to raise saidjournal box.rilhe parts thus far described have been illustrated simply for thepurpose of showing the car wheel lock applied in working position andmay take lvarious different forms. The improved car wheel lock comprisesa link chain 14 having at each end a track rail grapple 15 and alsohaving' a take-up sectionv 16. 4Each track railgrapple 15 comprises apair of crossed legs intermediately connected by a pivot 17 and having`hook-like ends 18. A pair of track rings 19 is secured in the shortends of the legs Vof the rail grapI` ples 15 and which rings areconnected by a single ring 2O to which-one of the ends of the chain 1liis secured. The take-up section 16 includes a short chain 21 having atone of its ends a turn buckle 22 attached to one of the rings 20 and atits other end a hook 23. This hook 23 is adapted to be interlocked withany one of the links of the chain 14C for taking up a portion thereof tovary its operative length. The only purpose of connecting the chain 14eto the ring 20 to which the turn buckle 22 is attached is to keep theseveral parts of the car wheel lock together. rihe track rail grapples15 are adapted to be applied transversely over the head of the trackrail 11 with their hook-like ends 18 engaging the under surface of saidhead o each side of the web of said rail.

To apply the car wheel lock to the car wheel 7 and track rail 11 toprevent said wheel from lifting at the time the journal box 9 is raisedby the jack 13, the chain 14 is passed. circumfferent'ially over saidWheel close to its flange and with one end portion thereof, toWit: theone Without the take-up device 1G, hanging between said flange an'd thebrake shoe 10. The grapples 15 are-then attached to the track rail 11and the hook 23 secured in one oi' the links of the chain 1:1 to take upsubstantially the greater part oi the slfacktherein. Then bymanipulating the rotatable member of4 the turnbuckle 22,.

the chain 14 may bey drawn tightly circumerentially over the wheel 7with the hook'- lfik'e ends' 1S o1 the grafppl'es 1.5 engaging the undersurface of the head of the rail 11. Wvith the car Wheel lock thusapplied, the wheel T will be securely heldoir the' track rail' 11 andprevented from lifting. during the operati-on of the jack. 13 to littthe. jour-V narlf box 9'v and thereby permit the bearing for the journalof the ear wheel Z to be removed and a new one substituted therefor'.

A t the completion of the changing of: the bearing' for' the car Wheel7, the journal. box 9 may be' lowered by thevjack 13 and. thefcar Wheellock very' quickly and easiilry removed fromthe ear wheel' 7 and track!rail 11 sim.- ply by' operating.' the turn buckle Sullicie'ntly torelease the' hook 23 and. thereby perm-it the sameto be'- detached from'the chain 14, or tey permit the -gr'app'les tobe detached from the trackrail 1.1.

From the above-clescription, it is evident that the improved' car Wheellock may be used iny connection with any kind of a. jack and be veryquick-ly' appliedpte a car wheel and track' r'ail or removed therefrom.Said ear Wheel lock! may be adjusted to fit car Wheels and track railsof: various dilerent sizes. Vhen1 not, in use', thecar Wheel lock can bestored in a securely compact form. By theu'se oil my improved car Wheellock a. car wheel is locked to' a? track.' rail and is independent of a;lifting' jack, and

hence all danger of the car' Wl'ieel` being' released in' case thelifting jack settles or slips is eliminated.

Referring now to the modification of the track rail' grapple shown inFig. 5, the same is inthe form o? a vertically disposed bell crank 2-15to the elbou7 ot which is attached a rin-g Q5' to which a chain 2Gsimilar to the chain 14e is attached. This grapple 2i is adapted toy beplaced transversely ot the track rail 2S with its horizontal armbearing. on; the hea-d of said rail and its vertical arm engaging theinner face thereof and provided at its free end with a hook 2T arrangedto engage the under surface ci the head of saidl rail and' thereby locklthe grapple thereto. The track rail grapples 15 and 21- ca'n bel appliedto rails ot' dill'erent sizes and they grapplel @el is especiallydesigned for securing. the car wheel lock to a track rail at the outerside ofi which is a platform or other surface 29 which is substantiallyflush with the top` of' the head of said rail..

The word chain7 is herein used in a broad sense to cover any form or'cable, and in place oli applying; the car Wheel` lock circumferentiallyover the periphery of the Wheel 7, the same may be applied over anypart' of the Wheel structure such as the axle 8'.

That I claim is:

1. A car Wheel lock comprising a chain adapted to be appliedcircumferentially over a Wheel Structure and having at cach end a trackrail grapple, a take-'up section :[or said chain having one of its endssecured to one of said grapples and having. at its other end ahookAadapted to be intel-locked with the different linksof the chain to varythe operative length thereof.

The structure defined in claim 1 in iurther combination with aturnbuckle interposed inthe take-up section for the chain.

In testimony Whereot affix my signature.

HENRY M. ROBERTSON.

